autoupdate pf value
removed buy/sell method in strategy
renamed class in capital maker to strategg and added trading logic function
added updatePFValue function
renamed class to BaseStrategy
added test for update portfolio value
only test capital maker for now
move Date from being a df index to its own column
adjusted selecting year after refactored Date from index to column
added testing strategy logic
removed market check when liquidating long positions
added member self.today and removed date from get_current_price
added test ticker txt file
Merge pull request #25 from random-walk/hot_fix

Hot fix
use test config for test
use the base strategy class functions to execute trades
make sure that duplicate data is not published especially over weekends
store transaction history in memory
wrapper functions from within base strategy class when executing trades
wrapper for query ticker